2005 Mercedes-Benz C230 electrical system problems
12 owner complaints filed with NHTSA name the electrical system on the 2005 Mercedes-Benz C230 — 14% of all complaints for this model year.
What owners report
“The SAM system failed and car would not start !It took months to be diagnosed by 3 different mechanics! The message said quite often that the Air bags have been deployed !The dealer could not determine the issue! There have been various recalls on the Takata air bags stating my C230 2005 Kompressor…”
filed Mar 22, 2024
“I purchased the car and about 1 week later the battery had drained. I purchased a new one then about 3 weeks later it drained again and again and again. It keeps draining no matter how many times I replace it. I have only put about 200 miles on the car since I purchased it years ago because of…”
filed Aug 28, 2020
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during a call. It becomes increasingly…
LI82.70-P-077433 · Service Bulletin/Repair Instructions · issued Mar 5, 2025
Electrical System problems in other C230 years
| Year | Reports | Share |
|---|---|---|
| 2007 C230 | 14 | 7% |
| 2006 C230 | 6 | 5% |
| 2004 C230 | 7 | 23% |
| 2003 C230 | 6 | 12% |
| 2002 C230 | 12 | 22% |
| 2000 C230 | 11 | 38% |
| 1999 C230 | 4 | 14% |
| 1998 C230 | 7 | 18% |
Other reported problem areas on the 2005 Mercedes-Benz C230
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.